SQL Server Tutorial

SQL Server Tutorial

Developed by Microsoft, SQL Server is a RDBMS, used to store and retrieve data as requested by the other software applications.

Learn the concepts and architecture of SQL Server with this easy and complete SQL Server Tutorial. This tutorial discusses the basic and advanced topics of SQL Server with examples. It also teaches you SQL Server query optimization. Beginners, freshers, BE, BTech, MCA, college students will find it useful to develop notes, for exam preparation, solve lab questions, assignments and viva questions.

Who is this SQL Server Tutorial designed for?

This tutorial is specially designed for beginners who want to learn, practice and improve their SQL Server Database Management skills.

What do I need to know to begin with?

SQL Server is a RDBMS. A good knowledge of databases, DBMS is very important to start learning this topic.

SQL Server syllabus covered in this tutorial

This tutorial covers, SQL Server Overview, Table, Constraints, Server Index, Joins, Views, Sequences, Aggregate functions, Date & Time, String, Variable, Loops, Stored Procedure, Cursor, Trigger, Login

Introduction

  • SQL server is a Relational Database Management System (RDBMS) developed by Microsoft.
  • It is used to store and retrieve data as requested by the other software applications that may be running on same computer or other computers through the network.
  • SQL server is a client / server database management system opposite to a desktop system (For example: Assess).
  • SQL server setup is easily available on Microsoft's website.

Advantages of SQL

1. High Speed
SQL queries play an important role in retrieving large amounts of records from a database efficiently at a faster rate.

2. Well Defined Standards Exist
SQL databases use long-established standard, which is being adopted by ANSI & ISO. On the contrary, NO- SQL databases do not cling to the use of any specific standard.

3. No Coding Required
Without writing substantial amount of code, standard SQL has a provision to mange the databases systems easily.

4. Emergence of ORDBMS
Due to growth of Object Oriented DBMS, object storage capabilities are extended to relational databases.

Disadvantages of SQL

1. Difficulty in Interfacing
Interfacing an SQL database is more complex than adding a few lines of code.

2. More Features Implemented in Proprietary way
Though SQL databases follow ANSI & ISO standards, some databases adhere to proprietary extensions to standard SQL to ensure vendor lock-in mechanism.
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